Ethnic diversity in each country requires policy-making harmonized with the principles of the political system and the diversity state in that nation. Iran is one of the countries that has ethnic diversity. Justice in the Islamic Republic of Iran is a fundamental discourse and a legitimating factor that policy-making must be based on it. Therefore, justice in ethnic diversity policy-making has importance; it has also some implications. In this paper, by scholarly method and using existing resources and documents, besides choosing the approach and defining justice to put everything it its place as a theoretical framework, the status and importance of justice in policy-making of ethnic diversity will be explored from three perspectives:Firstly, the theoretical aspect by which presenting theories aims at explaining the relationship between justice and the emergence of ethnic crises. Secondly, the objective and field aspect, which signals the results of surveys, indicates the place of justice in policy-making of ethnic diversity. Finally, there is the importance of justice in the high-level documents related to the ethnic domain, which the volume of this issue indicates the significance of discussing justice in policy-making. In the next step, the implications of choosing a fair approach toward ethnic diversity policy-making in the Islamic Republic of Iran have been extracted. Reviews and studies have shown that the principal, objective, process, political and structural implications are taken from the adoption of a fair approach toward the policy-making of ethnic diversity.
